Home / 339,371,467.20-509,057,200.80-134,899,542.45

Finding the Fourth Proportional to 339,371,467.20, 509,057,200.80 and 134,899,542.45

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Solution

The fourth proportional to 339,371,467.20, 509,057,200.80 and 134,899,542.45 is: 202,349,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,371,467.20 : 509,057,200.80 = 134,899,542.45 : x
  2. Step 2: Convert to fraction form
    339,371,467.20/509,057,200.80 = 134,899,542.45/x
  3. Step 3: Cross multiply
    339,371,467.20x = 509,057,200.80 × 134,899,542.45
  4. Step 4: Simplify right side
    339,371,467.20x = 68,671,583,468,797,768
  5. Step 5: Solve for x
    x = 68,671,583,468,797,768/339,371,467.20
  6. Step 6: Final answer
    x = 202,349,313.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.